Lever adapter for door knobs



FIG. 1 is a side view of the lever adapter for door knobs showing my new design, the side opposite being a mirror image;

FIG. 2 is a side view thereof, the door knob being shown in broken lines for illustrative purposes;

FIG. 3 is an isometric view thereof, the end opposite being flat and unornamented except for wood grain surface. 

The ornamental design for a lever adapter for door knobs, as shown and described. 